Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gimenez Attenelle Manuel
Perales Hanglin Francisco
Original Assignee
Gimenez Attenelle Manuel
Perales Hanglin Francisco
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gimenez Attenelle Manuel, Perales Hanglin FranciscofiledCriticalGimenez Attenelle Manuel
Priority to ES0345304ApriorityCriticalpatent/ES345304A1/en
Publication of ES345304A1publicationCriticalpatent/ES345304A1/en
"IMPROVEMENTS INTRODUCED IN THE MECHANICAL SYSTEMS OF ACCOUNTING" that are characterized because the bound sheets are perforated in two points so that the resulting holes form a row in vertical arrangement and equidistant. (Machine-translation by Google Translate, not legally binding)
ES0345304A1967-09-211967-09-21Improvements introduced in mechanical accounting systems (Machine-translation by Google Translate, not legally binding)
ExpiredES345304A1
(en)
Improvements introduced in the manufacture of construction elements that include perforations (Machine-translation by Google Translate, not legally binding)